Streams - Science topic

Buddhism is a heterogeneous faith tradition embodying belief systems that share certain features, among which a concern for the environment. Buddhist economics comprises a mechanism to implement these shared values to a contemporary world dominated by the pursuit of self-interest without considering issues of happiness and self-fulfillment. The aim...

With the aim of eliminating toluene as a volatile organic compound, a collection of Pt-(Sn/Re)-HZSM-5/HMS catalysts with different weight percent of Sn/Re have been synthesized. Also, the catalytic performances of the prepared catalysts were compared to obtain the best activity and CO2 and CO selectivity versus various catalyst weight percent, temp...

This study presents a four-year follow-up of an introduced population of Physa acuta Draparnaud, 1805, from initial stages to an established population. This introduction occurred on a small impacted stream of Vila do Abraão, the main village of Ilha Grande (Angra dos Reis, Rio de Janeiro, Brazil). The population size increased during the study, an...

The rise of live streaming selling has brought a revolution to the retail industry. The supply chain with platform-based retailing is faced with choice of sales formats and marketing decisions. We establish live streaming selling models with two sales formats of resale and agency sale, and three pricing strategies of same high, same low and differe...

I am sharing the call for abstract submissions for the special stream on 'Rethinking and reimagining health and social care in the (post)pandemic world' (Stream 7) at the 13th International Critical Management Studies Conference. For more details on the conference streams, program and registration, please visit the conference website: https://www...

Conference GWO 2023 theme: Marginalized gender identities-how can intellectual activism transform work and organization? Stream Title: Queer(ing) activism in organizations: Voicing experiences of queer bodies, allyship and alliances across intersectional marginalization Deadline for abstract submissions: November 7th, 2022 Stream Convenors: Am...

During extensive Spanish river macrophyte and invertebrate surveys, the freshwater chlorophyte Ulvella spongophila was detected growing inside the freshwater sponge Ephydatia fluviatilis attached to stones. This finding is relevant from the phy¬cological, biogeographical and ecological points of view, and is the second world record of the species a...

In a world of connectivity empowered by the advancement of the Internet of Things (IoT), an infinite number of data streams have emerged. Thus, data stream clustering is crucial for extracting hidden knowledge and data mining. Various data stream clustering methods have lately been introduced. Yet, the majority of such algorithms are affected by th...

Video-sharing platforms (VSPs) such as YouTube, TikTok, and Twitch have grown rapidly in recent years and attracted millions of users. Research topics such as online communities, video interactions, and recommendation algorithms have drawn increasing attention. Group and community dynamics were also examined with live streaming and short-form video...

As each micro community centered around the streamer attempts to set its own guidelines in live streaming communities, it is common for volunteer moderators (mods) and the streamer to disagree on how to handle various situations. In this study, we conducted an online survey (N=240) with live streaming mods to explore their commitment to the streame...

Content moderation is a crucial aspect of online platforms, and it requires human moderators (mods) to repeatedly review and remove harmful content. However, this moderation process can lead to cognitive overload and emotional labor for the mods. As new platforms and designs emerge, such as live streaming space, new challenges arise due to the real...

A hypothetical electrokinetic mechanism of wear and deposition inside fuel injectors has been analysed theoretically and experimentally. It involves conjugated electrokinetic and earthing electric currents. The flow of fuel through the orifice of the injector produces a streaming current proportional to the ς-potential of the metal|fuel interface....

CO2 electroreduction has been considered a promising alternative to simultaneously reduce CO2 emissions and produce value-added products. Among others, the production of formic acid/formate is particularly attractive. Although promising results have already been obtained in the literature, one of the recent approaches to improve the process deals w...

Anomaly detectors are used to distinguish differences between normal and abnormal data, which are usually implemented by evaluating and ranking the anomaly scores of each instance. A static unsupervised streaming anomaly detector is difficult to dynamically adjust anomaly score calculation. In real scenarios, anomaly detection often needs to be reg...

The data stream is considered the backbone of many real-world applications. These applications are most effective when using modern techniques of machine learning like deep neural networks (DNNs). DNNs are very sensitive to set parameters, the most prominent one is the learning rate. Choosing an appropriate learning rate value is critical because i...

This Special Issue seeks to highlight relevant and recent studies in the field of gas purification or water streams, employing novel catalysts in photoinduced technologies using different types of light sources. Emphasis will be placed on new type of photocatalysts, the identification of degradation intermediates, the determination of the radical s...

Küçükçekmece Lagoon, located inside the Istanbul metropolitan area, is connected to the Marmara Sea by a small canal. Due to the construction of a dam on the Sazlıdere stream, which is the most important feeding source for the lagoon, there has been a decrease in freshwater inflow, so the amount of salinity in the lagoon has started to increase. Wh...

Fluidic thrust vectoring (FTV) offers a novel approach to aerodynamic control, circumventing some of the issues associated with mechanical systems. One method is shock vector control which involves injecting a fluid into the exhaust nozzle of an engine to redirect the gases and thus, produce a control force. An experimental model which incorporated...

Emerging and re-emerging zoonotic diseases have assumed increasing importance in public and animal health, as the last few years have seen a steady stream of new diseases, each emerging and re-emerging from an unsuspected quarter and causing severe problems for animals and humans. The reasons for disease emergence are multiple, but there are two ma...

The high rise building are coming up all around the world in urban areas because population are migrating to urban areas for various opportunity. But the land availability is very less in cities especially in the regular form hence the building shape will be irregular but mostly available codal provision are present for regular shape hence for irre...

On March 24, 2023, I presented a lecture at Grand Valley State University (GVSU) titled “Truth and Politics: Arendt, Foucault, and the Truth of Politics.” An abstract and the lecture text are attached. This lecture was part of the GVSU Philosophy Colloquium and was live streamed at https://gvsu-edu.zoom.us/j/99263991812?pwd=ZS9jb0hSVWFOK0w0RWw4cHpN...

This paper is intended to provide a tentative framework that seeks to capture issues of economic policy underlying ancient and medieval economic ideas. We thus review policy implications as integral to certain non-Western traditions and more specifically, to Confucian philosophy, embedded in different societal and historical contexts. We in turn ex...

High-velocity data streams present a challenge to deep learning-based computer vision models due to the resources needed to retrain for new incremental data. This study presents a novel staggered training approach using an ensemble model comprising the following: (i) a resource-intensive high-accuracy vision transformer; and (ii) a fast training, b...

In cases when it is desirable to transport medication through blood vessels, especially when dealing with brain cancer being confronted with the narrow arteries in the brain, the blood–brain barrier makes medical treatment difficult. There is a need of expanding the diameters of the arteries in order to facilitate the transport of medications. Rece...

Depois de anos no limbo do debate no "main stream" brasileiro, considerada por muitos um atraso motivo de ridicularização e desprezo, a discussão sobre opções de politica industrial volta à lista de prioridades no novo governo, às paginas dos cadernos de economia dos jornais e ao debate acadêmico em instituições nas quais era motivo de chacota. Ent...

In software development, identifying software faults is an important task. The presence of faults not only reduces the quality of the software, but also increases the cost of development life cycle. Fault identification can be performed by analysing the characteristics of the buggy source codes from the past and predict the present ones based on th...

This paper analyzes the E-commerce live streaming strategy and team composition of Lijia Qi (Austin), the most influential E-commerce live streaming Influencer in China. Using the SWOT analysis framework, the advantages and disadvantages of the Austin Li team were analyzed in detail. Based on this research, insightful conclusions were gained by in-...

With the hyper-speed development of the networks, online streaming is the future trend of watching films and TV series. Netflix, as one of the earliest streaming service companies, is indeed successful in the market. As the competition among online streaming companies is getting tougher, it is important to understand the market and marketing strate...

In China, live streaming has grown significantly in recent years, and live streaming platforms have allowed companies to interact with their target audience in more profound and engaging ways. Influencers have produced advertising effects and sales through live-streaming platforms such as Douyin. The aim of this study was to find out how viewers' p...

Landslide susceptibility maps are considered as one of the most important keys to limiting and dodging potential landslide consequences worldwide. In the present study, landslide susceptibility maps are prepared using bivariate models: frequency ratio and weight of evidence approaches. At first, randomly selected 80% of landslides i.e.,one hundred...

La situación actual de escasez de recursos energéticos, unido a la ineficiencia en el uso de los edificios, y al avance de la tecnología sugiere la implantación de sistemas inteligentes para un uso más sostenible. En este texto se expone el desarrollo de un sistema de información heterogéneo que permite la monitorización de las infraestructuras edi...

Online videos such as those streamed through YouTube are largely produced by individual users rather than traditional mass media, partly due to the incentive structure of the platforms. As part of the strategy to increase the audience, many content creators collaborate with other creators to attract subscribers and diversify their content. This beh...

Plain Language Summary Debris‐covered glaciers are common throughout the world's mountain ranges and are characterized by the presence of steep ice cliffs among the debris‐covered ice. It is well‐known that the cliffs are responsible for a large portion of the melt of these glaciers but the controls on their formation, development and distribution...

Engaging with multiple streams of personal health data to inform self-care of chronic health conditions remains a challenge. Existing informatics tools provide limited support for patients to make data actionable. To design better tools, we conducted two studies with Type 1 diabetes patients and their clinicians. In the first study, we observed dat...

Identifying anomalous activity is a heavy task, and this has led to the progression in the domain of deep learning for video surveillance. With the development of deep learning, anomaly detection techniques have been widely used to improve the performance of various applications, including vision detection systems. However, it is still difficult to...

The staggering accumulation of end-of-life lithium-ion batteries (LIBs) and the growing scarcity of battery metal sources have triggered an urgent call for an effective recycling strategy. However, it is challenging to reclaim these metals with both high efficiency and low environmental footprint. We use here a pulsed direct current flash Joule hea...

Climate change coupled with increased anthropogenic activities intensifies the potency and frequency of extreme weather events. While multihazard assessments of these extreme weather events enhance the estimation of hazard susceptibility, it must be coupled with identifying institutional barriers of managing the land-river interface. Thus, this stu...

In spite of the importance of land ecosystems in offsetting carbon dioxide emissions released by anthropogenic activities into the atmosphere, the spatiotemporal dynamics of terrestrial carbon fluxes remain largely uncertain at regional to global scales. Over the past decade, data assimilation (DA) techniques have grown in importance for improving...

This paper describes the flow past two-dimensional porous plates at a Reynolds number ($Re$) of 30 and for a range of Darcy number ($Da$) and flow incidence ($\alpha$) values. For a plate normal to the stream and vanishing $Da$, the wake shows a vortex dipole with negligible separation from the plate. With increasing $Da$, the separation between th...

Three-dimensional computational fluid dynamics (CFD) modelling is employed to simulate a typical high velocity oxygen fuel process (HVOF) under laboratory operating conditions. Two different modelling approaches, viz., the continuum and discrete models, are engaged to model the liquid fuel kerosene, and their influence on the resulting primary gas...

Modern action recognition techniques frequently employ two networks: the spatial stream, which accepts input from RGB frames, and the temporal stream, which accepts input from optical flow. Recent researches use 3D convolutional neural networks that employ spatiotemporal filters on both streams. Although mixing flow with RGB enhances performance, c...

Increase in traffic flow demand on urban roads invites significant challenges in evaluation of operational performance measures and design of traffic flow facility. The complexity in design, analysis and modelling further increases due to presence of side friction in a form of curb-side bus stop. Present study is an effort on finding the impact of...

Measurements were made in rough-wall boundary layers subject to favourable, zero and adverse pressure gradients. Profiles of mean velocity and turbulence quantities were acquired and velocity fields were measured in multiple planes to document flow structure. Comparisons were made to equivalent smooth-wall cases with the same free stream velocity d...

Using self-consistent models of turbulent particle growth in an evolving protoplanetary nebula of solar composition, we find that recently proposed local metallicity and Stokes number criteria necessary for the streaming instability to generate gravitationally bound particle overdensities are generally not approached anywhere in the disk during the...

The spread of informatics and electronic systems capable of the real-time monitoring of multiple psychophysiological signals has continuously grown in the last few years. In this study, we propose a novel open-source wearable monitoring platform (WMP) to synchronously acquire and process multiple physiological signals in a real-time fashion. Specif...

In the field of vision-based robot grasping, effectively leveraging RGB and depth information to accurately determine the position and pose of a target is a critical issue. To address this challenge, we proposed a tri-stream cross-modal fusion architecture for 2-DoF visual grasp detection. This architecture facilitates the interaction of RGB and de...

In order to solve the problem of low efficiency of two-dimensional fluid-thermal coupling simulation of oil-immersed transformer, a parallel calculation method based on hybrid finite element method was proposed. Firstly, the serial calculation method of dimensionless least squares finite element method and upwind finite element method is implemente...

In the two-sided market for online streaming content, the platform’s co-opetitive strategy has been wildly discussed, where the platforms cooperate in sharing the broadcasting right of content and meanwhile compete for both subscribers and advertisers. Although platform co-opetition in practice can be easily captured, the impacts of cross-side netw...

Research on entrepreneurship in family firms has grown exponentially over the past two decades. Due to the various theoretical perspectives and contexts found here however, this body of research remains fragmented, with a unified understanding of the current state of knowledge and the opportunities for future research in the field continuing to lac...

Plasma instabilities are the non-linear processes occurring in plasmas when excess energy gets accumulated in a plasma system. When the plasma system becomes incapable of holding this excess energy, it releases it thereby triggering plasma instabilities. These instabilities are often observed in space plasma systems such as the Sun, planetary ionos...

Micro-expression is an expression that reveals one’s true feelings and can be potentially applied in various domains such as healthcare, safety interrogation, and business negotiation. The micro-expression recognition is thus far being judged manually by psychologists and trained experts, which consumes a lot of human effort and time. Recently, the...

Natural and artificial flapping-wing flyers generally do not exhibit chaos or aperiodic dynamic modes, though several experimental and numerical studies with canonical models of flapping foils have reported inevitable chaotic transition at high ranges of dynamic plunge velocity (κh). Here we considered the idealized case of a pitching-plunging flap...

The creativity of live streaming video can affect consumers’ value perception and emotion, thus stimulating their impulse buying. However, few studies consider the impact of video creativity combined with social presence on live streaming effect, and the difference in personal characteristics of consumers is also ignored. Therefore, based on the st...

Detection of the changes in Multi-Functional Radar (MFR) work modes is a critical situation assessment task for Electronic Support Measure (ESM) systems. There are two major challenges that must be addressed: (i) The received radar pulse stream may contain multiple work mode segments of unknown number and duration, which makes the Change Point Dete...

The paper consist developed the method of arranging combined structures used as foundations for fragments of regional and local roads over small streams and spillways, which combine the functions of standard monolithic slab-type bridge structures and floodgate box structures. The proposed method is a more reliable alternative to modern standard sol...

Stereo vision is essential for many applications. Currently, the synchronization of the streams coming from two cameras is done using mostly hardware. A software-based synchronization method would reduce the cost, weight and size of the entire system and allow for more flexibility when building such systems. With this goal in mind, we present here...

Reliable localization is crucial for autonomous robots to navigate efficiently and safely. Some navigation methods can plan paths with high localizability (which describes the capability of acquiring reliable localization). By following these paths, the robot can access the sensor streams that facilitate more accurate location estimation results by...

In the present work, the response of 45 o angled slot ribbed square duct when conventional working fluid (water) is replaced by nanofluids is tested. The square conduit top angled slot ribbed wall heated to a consistent temperature. Silica type of nanoparticle is used, with a constant volume fraction of 3.5 percent and a nanoparticle diameter of 35...

5G antenna arrays are being designed to generate a dedicated stream of data for every single user. This results in more capacity and speed over the network along with the least possible latency rate. Depending upon the direction of the user demanding internet access, the beam can be steered in that direction. Meanwhile, the occurrence of side lobes...

Recent works show that speech separation guided diarization (SSGD) is an increasingly promising direction, mainly thanks to the recent progress in speech separation. It performs diarization by first separating the speakers and then applying voice activity detection (VAD) on each separated stream. In this work we conduct an in-depth study of SSGD in...

Data points situated near a cluster boundary are called boundary points and they can represent useful information about the process generating this data. The existing methods of boundary points detection cannot differentiate boundary points from outliers as they are affected by the presence of outliers as well as by the size and density of clusters...

Smartphones have become a necessity in today’s world. Majority of our undergraduate students make use of their smartphones to take notes in their classes, do assignments and other class related works. Studies and observations have shown that students use their smartphones for other activities like online frauds, visit to sites that can corrupt thei...

In the context of the stream calculus, we present an Implicit Function Theorem (IFT) for polynomial systems, and discuss its relations with the classical IFT from calculus. In particular, we demonstrate the advantages of the stream IFT from a computational point of view, and provide a few example applications where its use turns out to be valuable.

The conditions under which sensory stimuli require selective attention to reach awareness is a fundamental question of cognitive neuroscience. We examined this question in the context of audition utilizing M/EEG and a dual-task informational-masking paradigm. Listeners performed a demanding primary task in one ear (detecting isochronous target-tone...

Multisectoral models of regional bio-physical systems simulate policy responses to climate change and support climate mitigation and adaptation planning at multiple scales. Challenges facing these efforts include sometimes weak understandings of causal relationships, lack of integrated data streams, spatial and temporal incongruities with policy in...

The description of physical processes with many-particle systems is a key approach to the modeling of numerous physical systems. For example in storage rings, where ultrarelativistic particles are agglomerated in dense bunches, the modeling and measurement of their phase-space distribution is of paramount importance: at any time the phase-space dis...

This work summarizes the results of the exploration of freshwater lichen biota on the island of Sardinia associated with the regional flagship species Lobothallia hydrocharis, a large-sized crustose lichen from the splash zone along mountain streams, so far known from Sardinia only. Molecular data were used to confirm its distinctiveness from other...